
HD Hyundai Solar Modules
HD Hyundai Energy Solutions has evolved from Korea's first major solar manufacturer into a global leader in photovoltaic technology, bringing nearly two decades of continuous innovation since organizing its solar business group in 2004. The company's comprehensive productportfolio spans high-efficiency N-Type TOPCon modules, advanced PERC cell technology, and integrated energy storage systems, all manufactured through state-of-the-art smart factory facilities established across multiple production sites in Korea. With 248 executives andemployees generating 985 billion KRW in annual sales and operating three dedicated cell and module factories, HD Hyundai combines large-scale manufacturing capacity with rigorous quality control backed by UL-approved certification laboratories and dedicated PV R&D Centerfacilities operational since 2012.
HD Hyundai Energy Solutions operates UL-approved certification test laboratories and demonstration evaluation facilities (operational since 2009) to verify long-term reliability and durability of every module design. The company's advanced manufacturing facilities produce high-efficiency N-TOPCon cells using proprietary processes and automated production techniques, with rigorous quality control including environmental chamber testing, mechanical load verification, and comprehensive performance validation ensuring superior field performance across global installations.
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HD Hyundai Solar Cell Technology

Through investments in large-area PERC cell facilities, HD Hyundai Energy Solutions manufactures high-efficiency solar products while advancing its research into cost-effective n-Type products and Perovskite-Silicon tandem technology.
Bifacial Cell Technology
HD Hyundai currently manufactures 23% efficient bifacial PERC cells in M6 and M10 formats, with high-efficiency large-area PERC cells in mass production.
TOPCon Structure
Their advanced n-Type TOPCon technology achieves over 24% efficiency through a sophisticated stack of metal grid, AlOx passivation layer, selective emitter, n-type c-Si wafer, and ETL poly-Si layers.
HJT Technology
The Heterojunction Technology cells exceed 25% efficiency by combining crystalline silicon with amorphous silicon layers, utilizing TCO contacts and metal grids for enhanced performance.

Thoroughly Tested by Hyundai
Through its demonstration evaluation complex established in 2009, HD Hyundai Energy Solutions conducts comprehensive module testing using specialized environmental chambers and testing equipment to assess both durability and long-term reliability.
Performance Testing
- Solar Simulator Test
- Maximum Power Test
- EL Test
- Field Installation Test
- NOCT
- Field Test for Roof
Field Performance Test
- Module Aging Test / Inverter Motion Test
- Generation Test Per Racking
- Web Monitoring Test / Tracking System (Double Axis)
- Tracking System / Fixed System
- PV Tower System / Fixed System
Reliability Test
- UV Exposure Test
- Thermal Cycling Test
- Thermal Cycling Chamber
- Accelerated Aging Test
- Damp Heat Test
Safety Test
Hyundai Conducts insulation, wet leakage current, mechanical load, hail and hot spot endurance tests to evaluate the safety of its products.- Wet Leakage Current Test
- Hail Test
- Hot Spot Endurance Test
- Mechanical Load Test

Hyundai Demonstration Complex

Hail Test

Thermal Cycling Chamber

UV Exposure Test

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